Upon arrival of the panels, I opened them up to find excess silicone from the junction box all over the panels, which suggests poor or no quality control—not what you would expect from a new product. Assuming that wouldn't affect the integrity of the panels, I continued with the installation.I used strong Velcro with 40 mm spacing and a small air gap between the Velcro strips. After 6 months, the laminate started to flake; after 9 months, the laminate was 60–70% degraded.Although the owner of the company seems polite and punctual, he insisted I had glued the panels directly to the roof and therefore the warranty was void. (Obviously not his first rodeo!) He told me that black van roofs can reach up to 70 degrees in the UK summer, yet the website states they have an operating temperature of up to 85 °C.The maximum output reached in optimal conditions was 330 W.
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